CN210438361U

CN210438361U - Lifting machine

Info

Publication number: CN210438361U
Application number: CN201921521264.6U
Authority: CN
Inventors: 刘国海; 张正国; 李念峰; 何宏伟; 隰桂吉
Original assignee: NANJING GAOLI ENGINEERING MACHINERY CO LTD
Current assignee: NANJING GAOLI ENGINEERING MACHINERY CO LTD
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-01
Anticipated expiration: 2029-09-12

Abstract

An elevator. The problem of only two stations of height in the current lift use, when operation position and rising position have certain difference, just need remove many times and go up and down, when facing the complex situation, when needing many people to work on rising platform, the operation position will seem too little again, is unfavorable for personnel to expand the operation, influences work efficiency is solved. It includes base, lifing arm and work platform, lifing arm fixed connection base, work platform fixed connection lifing arm, work platform includes first platform and second platform, and shown second platform can slide about on first platform. The utility model discloses a structure that work platform can expand makes things convenient for operating personnel to possess bigger operating space, increases work efficiency.

Description

Lifting machine

Technical Field

The utility model relates to a lift field, in particular to lift.

Background

Present lift has multiple structure, divides according to the difference of lift structure: scissor lifts (fixed scissor lifts, mobile lifts), telescopic cylinder lifts, aluminum alloy (column) lifts, crank-arm lifts (folding arm updates), rail chain lifts (elevators, freight ladders), and wire rope hydraulic lifts.

Only two stations of height in the lift use, when operation position and rising position have certain difference, just need remove many times and go up and down, when facing the complex condition, when needing many people to work on rising platform, the operation position will seem too little again, is unfavorable for personnel to expand the operation, influences work efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem in the background art, the utility model provides a lift.

A lift comprises a base, a lifting arm and a working platform, wherein the lifting arm is fixedly connected with the base, the working platform is fixedly connected with the lifting arm and comprises a first platform and a second platform, the first platform is fixedly connected with the lifting arm, a plurality of rollers are symmetrically arranged on the inner side of the first platform and are connected with the first platform through connecting shafts, threads are arranged at one end of each connecting shaft, a bearing is sleeved at the other end of each connecting shaft, the threaded end of each connecting shaft is in threaded connection with the first platform, and the bearing end of each connecting shaft is fixedly connected with the corresponding roller; the outer sides of the second platforms are symmetrically provided with guide rails matched with the rollers, and the second platforms can slide on the rollers along the guide rails.

Be equipped with the link between lifing arm and the first platform, the link is the L type, the L type includes vertical end and horizontal end, vertical end one side fixed connection first platform, opposite side fixed connection lifing arm, place on the horizontal end first platform bottom to with horizontal end fixed connection.

The lifting arm comprises a first arm and a second arm, the bottom of the first arm is fixedly connected with the base, the second arm can slide up and down along the first arm, and the second arm is fixedly connected with the connecting frame.

The base bottom is equipped with four universal wheels, the base is the rectangle, the universal wheel is established in rectangle base four corners position.

The first platform is symmetrically provided with first fences, one end of each first fence is fixedly connected with the horizontal end extension part of the connecting frame, and the other end of each first fence is fixedly connected with the vertical end of the connecting frame; and the second platform is symmetrically provided with second fences which surround the side edges of the second platform.

An opening for the second fence to slide along with the second platform is formed in the position, corresponding to the second fence, of the first fence; and an opening for the second platform to pass through to the first platform is formed in the position, corresponding to the first fence, of the second fence.

And the second fence is provided with a handrail.

And the guide rail is provided with a baffle for preventing the second platform from falling off the guide rail.

The utility model has the advantages that: the structure that work platform can expand makes things convenient for operating personnel to possess bigger operating space, increases work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of an elevator according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an elevator according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of an elevator according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of an elevator according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of an elevator according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of an elevator according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of an elevator according to an embodiment of the present invention.

Fig. 8 is a schematic structural diagram of an elevator according to an embodiment of the present invention.

The attached drawings are as follows: 1-base, 2-first platform, 3-second platform, 4-connecting frame, 21-roller, 22-connecting shaft, 23-first rail, 31-guide rail, 32-second rail, 33-handrail, 34-baffle, 41-vertical end, 42-horizontal end, 51-first arm, 52-second arm and 6-universal wheel.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

As shown in fig. 1, an elevator comprises a base 1, a lifting arm and a working platform, wherein the lifting arm is fixedly connected with the base 1, the working platform is fixedly connected with the lifting arm, the working platform comprises a first platform 2 and a second platform 3, the first platform 2 is fixedly connected with the lifting arm, a plurality of rollers 21 are symmetrically arranged on the inner side of the first platform 2, as shown in fig. 4, the rollers 21 are connected with the first platform 2 through a connecting shaft 22, as shown in fig. 7-8, one end of the connecting shaft 22 is provided with threads, the other end of the connecting shaft is sleeved with a bearing, the threaded end of the connecting shaft 22 is in threaded connection with the first platform 2, and the bearing end of the connecting shaft 22 is fixedly connected with the rollers 21; the guide rails 31 adapted to the rollers 21 are symmetrically arranged on the outer side of the second platform 3, the second platform 3 can slide on the rollers 21 along the guide rails 31, as shown in fig. 3, after the working platform is lifted, in order to expand the unfolding operation of the working personnel, the second platform 3 can slide to an open position along the guide rails 31, and the working area is increased, as shown in fig. 2, when the required working area is small, the second platform 3 can also slide to a closed position along the guide rails 31, so that in order to facilitate the installation of the rollers, one end of the connecting shaft 22 is in threaded connection with the inner side of the first platform 2, and the other end of the connecting shaft 22 is sleeved with a bearing to facilitate the rollers 21 to roll by taking the connecting shaft.

As shown in fig. 1, 4, and 6, a connecting frame 4 is disposed between the lifting arm and the first platform 2, the connecting frame 4 is L-shaped, the L-shaped includes a vertical end 41 and a horizontal end 42, one side of the vertical end 41 is fixedly connected to the first platform 2, the other side of the vertical end is fixedly connected to the lifting arm, the bottom of the first platform 2 is disposed on the horizontal end 42 and is fixedly connected to the horizontal end 42, in order to enhance the connection between the first platform 2 and the lifting arm, the connecting frame 4 is disposed between the lifting arm and the first platform 2, both upper and lower ends of the vertical end 41 of the connecting frame 4 are fixedly connected to the lifting arm through a threaded bolt, the horizontal end 42 of the connecting frame 4 is used for disposing the first platform 2, and further, in order to firmly connect the horizontal end 42 to the first platform 2, the horizontal end 42 and the first platform 2 can be selectively fixedly connected to the first platform 2 through a welding manner.

As shown in fig. 1, the lifting arm includes a first arm 51 and a second arm 52, the bottom of the first arm 51 is fixedly connected to the base 1, the second arm 52 can slide up and down along the first arm 51, the second arm 52 is fixedly connected to the connecting frame 4, the existing lifting device includes a fixed type, a movable type, a guide rail type, a crank arm type, a scissor type and a chain type, the utility model discloses thereby the second arm 52 can be driven by the chain type to slide up and down along the first arm 51 to drive the work platform to rise or fall, and a scissor type lifting device can also be arranged between the base 1 and the first platform 2 to drive the first platform 2 to slide up and down along the first arm 51.

The bottom of the base 1 is provided with four universal wheels 6, the base 1 is rectangular, and the universal wheels 6 are arranged at four corners of the rectangular base 1, so that the elevator can be conveniently moved.

As shown in fig. 4, the first platform 2 is symmetrically provided with first rails 23, one end of each first rail 23 is fixedly connected with an extension part of the horizontal end 42 of the connecting frame 4, and the other end of each first rail 23 is fixedly connected with the vertical end 41 of the connecting frame 4, so that the connection stability of the first platform 2 with the connecting frame 4 and the second arm 52 is improved; as shown in fig. 5, the second platform 3 is symmetrically provided with second rails 32, and the second rails 32 surround the side edges of the second platform 3, so as to increase the safety of the working personnel when working on the first platform 2 and the second platform 3.

As shown in fig. 4, an opening for the second rail 32 to slide along with the second platform 3 is provided at a position of the first rail 23 corresponding to the second rail 32; as shown in fig. 5, an opening for the second platform 3 to access to the first platform 1 is provided at a position of the second rail 32 corresponding to the first rail 23, so that the worker can move between the first platform 2 and the second platform conveniently.

As shown in fig. 5, a handrail 33 is disposed on the second rail 32 to increase the safety of the second platform 3.

As shown in fig. 5, the guide rail 31 is provided with a baffle 34 for preventing the second platform 3 from falling off the guide rail 31, so as to prevent the second platform 3 from falling off the guide rail 31 during the opening process and causing a safety accident.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.

Claims

1. The utility model provides a lift, includes base (1), lifing arm and work platform, lifing arm fixed connection base (1), work platform fixed connection lifing arm, its characterized in that: the working platform comprises a first platform (2) and a second platform (3), the first platform (2) is fixedly connected with a lifting arm, a plurality of rollers (21) are symmetrically arranged on the inner side of the first platform (2), the rollers (21) are connected with the first platform (2) through connecting shafts (22), one end of each connecting shaft (22) is provided with a thread, the other end of each connecting shaft is sleeved with a bearing, the threaded end of each connecting shaft (22) is in threaded connection with the first platform (2), and the bearing end of each connecting shaft (22) is fixedly connected with the corresponding roller (21);

the outer side of the second platform (3) is symmetrically provided with guide rails (31) matched with the rollers (21), and the second platform (3) can slide on the rollers (21) along the guide rails (31).

2. The elevator as claimed in claim 1, wherein: be equipped with link (4) between lifing arm and first platform (2), link (4) are the L type, the L type includes vertical end (41) and horizontal end (42), first platform (2) of vertical end (41) one side fixed connection, opposite side fixed connection lifing arm, place on horizontal end (42) first platform (2) bottom to with horizontal end (42) fixed connection.

3. The elevator as claimed in claim 2, wherein: the lifting arm comprises a first arm (51) and a second arm (52), the bottom of the first arm (51) is fixedly connected with the base (1), the second arm (52) can slide up and down along the first arm (51), and the second arm (52) is fixedly connected with the connecting frame (4).

4. The elevator as claimed in claim 1, wherein: the base is characterized in that four universal wheels (6) are arranged at the bottom of the base (1), the base (1) is rectangular, and the universal wheels (6) are arranged at four corners of the rectangular base (1).

5. The elevator as claimed in claim 2, wherein: the first platform (2) is symmetrically provided with first fences (23), one ends of the first fences (23) are fixedly connected with the extension parts of the horizontal ends (42) of the connecting frames (4), and the other ends of the first fences (23) are fixedly connected with the vertical ends (41) of the connecting frames (4);

and the second platform (3) is symmetrically provided with second fences (32), and the second fences (32) surround the side edges of the second platform (3).

6. The elevator as claimed in claim 5, wherein: an opening for the second fence (32) to slide along with the second platform (3) is formed in the position, corresponding to the second fence (32), of the first fence (23);

an opening for the second platform (3) to lead to the first platform (2) is arranged at the position of the second fence (32) corresponding to the first fence (23).

7. The elevator as claimed in claim 5, wherein: a handrail (33) is arranged on the second fence (32).

8. The elevator as claimed in claim 1, wherein: and a baffle (34) for preventing the second platform (3) from falling off the guide rail (31) is arranged on the guide rail (31).